The air conditioning system contains refrigerant under high pressure. Severe personal injury may result from improper service procedures. If the knowledge and necessary equipment are not on hand, have the system serviced by a qualified mechanic who will service the refrigerant system completely.

Disconnect the negative battery cable. Have the system discharged by a qualified professional mechanic using an approved recovery/recycling machine.

Block the vehicle wheels and apply the parking brake.

Drain the cooling system.

CAUTION

When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

Remove the passenger side lower instrument panel.

Remove the steering column lower cover.

Remove the right side cowl and sill trim.

Remove the mounting bolt from the right side instrument panel to the right cowl.

Loosen the (2) brackets supporting the lower edge to air conditioning and heater unit housing.

Remove the mid-reinforcement instrument panel trim molding.

Remove the attaching screws from the right side to center of the steering column.

From the engine compartment, disconnect the vacuum line at brake booster and water valve.

Remove the hoses from the heater core. Plug the heater tubes.

Disconnect the air conditioning plumbing at the H-valve.

Remove the (4) nuts from engine compartment package mounting studs.

From the passenger compartment, pull the right side of lower instrument panel rearward until it reaches the passenger seat. Disengage the electrical connectors and temperature control cable.

Remove the hangar strap from the unit assembly and bend rearward.

Carefully remove the unit assembly from the vehicle.

Place the heater/evaporator unit assembly on a work bench.

Remove the vacuum harness attaching screw and remove the harness through the access hole in the cover.

Remove the (13) attaching screws from the cover and remove the cover. The temperature control door will come out with the cover.